Timid, modest, self-contained. Every morning, she sits by her window sipping from a mug of coffee. People wave as they walk or cycle past the window. They all know her as the girl who sits by the window. She always manages to smile and nod gently as they pass. Her smile is infectious. Familiar faces comfort her, yet she remains in low spirit. Hundreds of people roam the streets of Paris. Many of those she will never see.